US2852469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon-soluble molybdenum blues
Assignee: IFP Energies nouvelles
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Filing: 1955-01-07
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Granted: 1958-09-16
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Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Hugel Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:40
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F11/00; C07F11/005; C07F9/06; C07F9/08; C07F9/09; C07F9/16; C07F9/165; C07F9/22; C07F9/24; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C10M159/00; C10M159/12; C10M159/18; C10M2207/00; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2211/00; C10M2211/08; C10M2219/00; C10M2219/06; C10M2219/062; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/047; C10M2225/00; C10M2225/02; C10M2227/00; C10M2227/09; C10N; C10N2010/00; C10N2010/12; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD OF PREPARING A LIQUID-HYDROCARBON-SOLUBLE SOLUTION OF MOLYBDENUM BLUE IN A PHOSPHORUS COMPOUND, WHICH COMPRISES REDUCING AN ACIDULATED SOLUTION OF ALKALINE MOLYBDATE SOLUTION WITH ALUMINUM IN THE PRESENCE OF A PHOSPHORUS COMPOUND WHICH IS INSOLUBLE IN WATER AND SOLUBLE IN HYDROCARBONS AND IS SELECTED FROM THE GROUP CONSISTING OFF PHOSPHORIC ACID TRI-ESTERS OF THE FORMULA
Claim 2
Independent Claim
56 words
A METHOD OF PREPARING A LIQUID-HYDROCARBON-SOLUBLE SOLUTION OF MOLYBDENUM BLUE IN A PHOSPHORUS COMPOUND, WHICH COMPRISES REDUCING AN ACIDULATED SOLUTION OF ALKALINE MOLYBDATE SOLUTION WITH ALUMINUM IN THE PRESENCE OF A PHOSPHORUS COMPOUND WHICH IS INSOLUBLE IN WATER AND SOLUBLE IN HYDROCARBONS AND IS SELECTED FROM THE GROUP CONSISTING OFF PHOSPHORIC ACID TRI-ESTERS OF THE FORMULA
References Cited (Backward Citations)
US2629691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |